Was The Mexican-American War Justified?

Are you a supporter or a critic? Every war the United States has participated in there has followers and it’s opposition. The two-year Mexican-American War was greatly disputed. The war was ultimately started because of the disagreement over the territory between the Rio Grande and the Nueces River. The Mexican government opened fire on the United States trying to defend their land and the war broke out like wildfire. Were there justifications to support the United States going to war with Mexico? The United States was absolutely not justified in going to war with Mexico because the US had no right to annex Texas, President Polk started the war, and US citizens were expanding the unjust practice of slavery to Texas.
To begin with, the Mexican War was not justified because the United States had no right to annex Texas. According to Jesus Velasco-Marquez from “A Mexican Viewpoint on the War With the United States,” he states that “From Mexico’s point of view, the annexation of Texas to the United States was inadmissible for both legal and security reasons. As a result, this evidence shows the US was not justified in going to war because Mexico …show more content…
According to President James Polk in Washington on May 11, 1846 “I had ordered an efficient military force to take a position” between the Nueces and the Del Norte (Rio Grande). However, according to Jesus Velasco-Marquez from “A Mexican viewpoint on the war with the United States,” the Mexican government reaffirmed the instruction to protect the order, meaning the territory located between the Rio Grande and the Nueces River. The evidence also shows the US was not justified in going to war with Mexico because the US advanced on Mexican territory but was upset that the Mexican government fought back because the territory between the Rio Grande and the Nueces River was actually a Mexican